Machsupport Forum

Mach Discussion => General Mach Discussion => Topic started by: fer_mayrl on December 01, 2005, 12:23:25 PM

Title: importing DXF files
Post by: fer_mayrl on December 01, 2005, 12:23:25 PM
When importing dxf files, how do you get mach 2/3 to compensate for tool diameter?, how do you get it to know if the profile yoou want to cut should be cut from the inside or the outside?
I guess one way arount it is to offset the geometry in a cad program so the new geometry follows the center of the tool, instead of the outline of the geometry you want cut.
Title: Re: importing DXF files
Post by: Brian Barker on December 01, 2005, 07:58:16 PM
You are going to have to draw the lines to offset for the tool in your cad system OR you can try to code in a comp move by hand (This is NOT simple!).

Hope that helps
Title: Re: importing DXF files
Post by: cncnut on June 24, 2007, 02:25:44 PM
I also am in a similar situation knowing very little about cam . I recently built a machine modelled after Joe's 2006 designwith minor mods .

I am currently finishing assy of a "hobbycnc" controller, all being well that should be finished this coming week.

So I will most likely try the trail version of Mach3. Through osmosis I know that the machine and solftware should be able to produce from a DXF drawing .I have produced a DXF drawing of a fret I would like to make .

The problem the fret has several levels and the drawing is basically two dimensional . How does one program the machine to machie the fret to the required levels. Do I need to redraw the drawing designating each level as a separate layer ?..... appreciate any help